The illustration shown describes a _______. MO-0069
Official USCG Answer & Rule Citation
Correct Answer: Option D — two cycle opposed piston diesel engine
Opposed piston engines utilize two pistons moving in opposite directions within a single cylinder barrel, eliminating conventional cylinder heads. When configured with scavenge ports and exhaust ports timed by the opposing pistons operating on a two-stroke cycle, it is classified as a two-cycle opposed piston diesel engine.
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